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legend-exp · Jan 7, 2025 · 54d1f58 · 54d1f58
1 parent 136e2a7
commit 54d1f58
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/legendmeta/core.py b/src/legendmeta/core.py
@@ -162,7 +162,7 @@ def channelmap(
             pd, run = re.fullmatch("([pP][0-9]+)\\s*([rR][0-9]+)", on).group(1, 2)
             runinfo = self.dataprod.runinfo[pd][run]
             if system == "all":
-                on = list(runinfo.values())[0].start_key
+                on = next(iter(runinfo.values())).start_key
             else:
                 on = runinfo[system].start_key
         except (AttributeError, TypeError):